(19)
(11) EP 4 395 502 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.10.2024 Bulletin 2024/43

(43) Date of publication A2:
03.07.2024 Bulletin 2024/27

(21) Application number: 23212729.0

(22) Date of filing: 28.11.2023
(51) International Patent Classification (IPC): 
H10K 59/121(2023.01)
H10K 59/80(2023.01)
H10K 59/122(2023.01)
(52) Cooperative Patent Classification (CPC):
H10K 59/122; H10K 59/121; H10K 59/80515; H10K 59/876
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 29.12.2022 KR 20220188261

(71) Applicant: LG Display Co., Ltd.
Seoul 07336 (KR)

(72) Inventors:
  • KIM, Ho-Jin
    10845 Paju-si (KR)
  • BAIK, Seung-Min
    10845 Paju-si (KR)
  • KWAK, Bong-Choon
    10845 Paju-si (KR)
  • LIM, Hyeong-Jun
    10845 Paju-si (KR)

(74) Representative: Beal, James Michael et al
Kilburn & Strode LLP Lacon London 84 Theobalds Road
London WC1X 8NL
London WC1X 8NL (GB)

   


(54) LIGHT EMITTING DISPLAY DEVICE


(57) A display device includes a trench, which includes: first and second trench lines respectively located between neighboring column lines and between neighboring row lines, wherein the first trench line includes a first side groove in a column direction, and first and second corner grooves connected between adjacent first side grooves, forming an isosceles portion protruding to one side in a row direction, having second and first diagonal directions, respectively, and connected to each other at a first contact point, wherein the second trench line includes a second side groove in the row direction, and the first and second corner grooves connected between adjacent second side grooves, forming an isosceles portion protruding to one side in the column direction, and connected to each other at a second contact point, wherein the protruding isosceles portions of the first and second trench lines share the first corner groove.







Search report









Search report